For centuries, women of all ages have depended on the reliability of Evening primrose Oil. Evening Primrose Oil contains Gamma-Linolenic Acid (GLA), a fatty acid not commonly found in food. Popular with women of all ages, Evening primrose Oil helps provide nutritional support for women with PMS. Evening primrose oil is one of the best products of its kind on the market. The Evening Primrose used is cold pressed and void of Hexane.